package org.csmzxy.class2333.duotai2;
//狗类
class Dog extends Animal{
    @Override
    public void speak() {
        System.out.println("小狗:汪汪……");
    }
    //添加特有方法houseKeep()
    public void houseKeep(){
        System.out.println("狗狗会看家");
    }
}
